Finish and material Elegant electroplated black nickel finish on metal housing provides a refined appearance and durable surface with strong rust resistance. Performance and function 5 degree small angle buffer function enables a controlled closing path for smooth operation. Soft close mechanism pulls the door closed slowly and quietly, reducing slams and noise. Durability and compatibility Designed for corrosion resistance in typical indoor environments. Built to fit standard door hardware configurations and common door assemblies. Use scenarios Interior residential doors such as bedrooms and living rooms to minimize door slams and noise. Cabinet or closet doors in kitchens and offices to maintain a quiet, feel. Shared spaces in hotels or dormitories where controlled, quiet door closure is preferred.